Pareshbabu earns 8x rupees per month. But he spends (3x-15) per month. Find the amount of money he saves per month.

Paresh babu earns Rs. 8X per month. But the spends Rs. (3x - 15) per month. Let's find the amount of money he saves per month.

A person , giving two equal loans, one at a rate of simple interest of 8% per annum and the other at a rate of simple interst of 6% per annum, earns a total interest of Rs756 after a period of time of 18 months. Find the total amount of money he has given as loan.

10Rs is given as a loan to someone in such a condition that he will pay back the loan in 11 instalments at the rate of 1Rs per instalment. Find the rate of simple interest per annum.

If we spend 10 lakh rupees per second then how much time will be required to spend an amount of money which is equal to Avogadro's number?

A sum of money was invested in a monetary fund for 2 years at the rate of compound interest of 20% per annum. If interest had been compounded at the interval of 6 months , then the compound interest would be Rs. 482 more of the same principal at the same rate of interest. Find the sum of money invested.

A man saves Rs. 75 in the first month and in each of the succeeding months he saves twice as much as in the previous month. This process continues for 8 months. From the 9th month and onwards he could save Rs. 75 less than in the previous month. Find his total savings in 16 months.

The interest of some of money for one month at the rate of simple interest 5% per annum is Rs1. Find the some of money.

Rahimchacha takes a loan amount of Rs 2,40,000 from a bank for construting a building at the rate of simple interest of 12% per annum. After 1 year of taking the loan he rents the house at the rate of Rs 52000 per month. Determine the number of years he would take to repay his loan along with interest from the income of the houserent.

The salary of a man starts at Rs. 800 and increases annually by Rs. 20 until a maximum of Rs. 1120 is reached. Find the total amount of money earned by the man when he serves (i) 15 years (ii) 22 years.

Shyam deposited Rs. 7500 for 6 months in a bank. If the rate of compound interest be 8% per annum and interest is compounded at the interval of 3 months, then what amount will Shyam obtain after 6 months?